The spur of $Pinus\ occelsa$ is

How does $Pinus$ differ from $Mango$?

Cycas occurs commonly in

Cycas has the largest:

Assertion $(A)$: The scale leaves of $Araucaria$ are small and brown.
Reason $(R)$: The gametophyte stage of $Araucaria$ is long-lived and subterranean.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

$A$ microsporophyll in $Pinus$ has